Aliens! They be invadin’ all the time. Am I right? Ladies, back me up on this.

I’ve seen three alien invasion movies in the past month or so: Skyline, Battle: Los Angeles, and Monsters, but before we get to them I want to highlight a few things about alien invasion movies in general.

There are three main rules that make up most alien invasion films:

1) The aliens have a poorly conceived attack plan
2) The aliens go door-to-door looking for humans (there are billions of us and we have a bunch of doors: this is gonna take a while)
3) The aliens have a glaring weakness that humans can exploit